#chartero-reader-alert
    pointer-events: none
    animation: chartero-reader-alerting .6s infinite alternate
    position: absolute
    top: 0
    left: 0
    right: 0
    bottom: 0

    &.hidden
        display: none !important

    @keyframes chartero-reader-alerting
        from
            box-shadow: inset 0 0 .6em 1rem rgba(250, 25, 25, 0.8)
        to
            box-shadow: inset 0 0 8px 8px rgba(250, 25, 25, 0.2)
